Ilha de Balsas, region between the rios Balsas and Parnaíba. ca. 2 km S of main house of Fazenda Morros, about 35 km south of Loreto. "Chapada" halfway down northern slope of the deep, broad brook valley, "Vão das traíras". Along trail to Santa Bárbara

Ilha de Balsas, region between the rios Balsas and Parnaíba. ca. 2 km S of main house of Fazenda Morros, about 35 km south of Loreto. "Chapada" halfway down northern slope of the deep, broad brook valley, "Vão das traíras". Along trail to Santa Bárbara